Comac ARJ21-700ER vs. Douglas DC-7

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Comac ARJ21-700ER versus Douglas DC-7
33.46 m 109 ft 9 in length 34.00 m 111 ft 6 in
8.44 m 27 ft 8 in height 8.38 m 27 ft 6 in
27.28 m 89 ft 6 in wingspan 35.8 m 117 ft 5 in
2 x General Electric CF34-10A engines 4 x Wright R-3350 Duplex-Cyclone radial engines
17,057 lbf thrust per engine Approximately 3,400 hp per engine
34,114 lbf total thrust Approximately 13,600 hp total
43,545 kg 96,000 lb MTOW 90,718 kg 200,000 lb
2,225 km 1,202 nm range 6,250 km 3,375 nm
447 knots 261 mph cruise speed 507 km/h 315 mph
78 to 90 seats capacity Up to 105 passengers
rotor diameter
rate of climb
Please note that these values are indicative and actual values can vary based on specific engine models and configurations.